SpiConfiguration.h

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#ifndef __SPI_CONFIGURATION_PROTOCOL_H__
#define __SPI_CONFIGURATION_PROTOCOL_H__
 
#define EFI_SPI_CONFIGURATION_GUID  \
  { 0x85a6d3e6, 0xb65b, 0x4afc,     \
    { 0xb3, 0x8f, 0xc6, 0xd5, 0x4a, 0xf6, 0xdd, 0xc8 }}
 
#define Hz(Frequency)   (Frequency)
#define KHz(Frequency)  (1000 * Hz (Frequency))
#define MHz(Frequency)  (1000 * KHz (Frequency))
 
typedef struct _EFI_SPI_PERIPHERAL EFI_SPI_PERIPHERAL;
 
typedef
EFI_STATUS
(EFIAPI *EFI_SPI_CHIP_SELECT) (
  IN CONST EFI_SPI_PERIPHERAL  *SpiPeripheral,
  IN BOOLEAN                   PinValue
  );
 
typedef EFI_STATUS
(EFIAPI *EFI_SPI_CLOCK) (
  IN CONST EFI_SPI_PERIPHERAL  *SpiPeripheral,
  IN UINT32                    *ClockHz
  );
 
typedef struct _EFI_SPI_PART {
  CONST CHAR16 *Vendor;
 
  CONST CHAR16 *PartNumber;
 
  UINT32       MinClockHz;
 
  UINT32       MaxClockHz;
 
  BOOLEAN      ChipSelectPolarity;
} EFI_SPI_PART;
 
typedef struct _EFI_SPI_BUS {
  CONST CHAR16                   *FriendlyName;
 
  CONST EFI_SPI_PERIPHERAL       *Peripherallist;
 
  CONST EFI_DEVICE_PATH_PROTOCOL *ControllerPath;
 
  EFI_SPI_CLOCK                  Clock;
 
  VOID                           *ClockParameter;
} EFI_SPI_BUS;
 
struct _EFI_SPI_PERIPHERAL {
  CONST EFI_SPI_PERIPHERAL *NextSpiPeripheral;
 
  CONST CHAR16             *FriendlyName;
 
  CONST GUID               *SpiPeripheralDriverGuid;
 
  CONST EFI_SPI_PART       *SpiPart;
 
  UINT32                   MaxClockHz;
 
  BOOLEAN                  ClockPolarity;
 
  BOOLEAN                  ClockPhase;
 
  UINT32                   Attributes;
 
  CONST VOID               *ConfigurationData;
 
  CONST EFI_SPI_BUS        *SpiBus;
 
  EFI_SPI_CHIP_SELECT      ChipSelect;
 
  VOID                     *ChipSelectParameter;
};
 
typedef struct _EFI_SPI_CONFIGURATION_PROTOCOL {
  UINT32                          BusCount;
 
  CONST EFI_SPI_BUS *CONST *CONST Buslist;
} EFI_SPI_CONFIGURATION_PROTOCOL;
 
extern EFI_GUID gEfiSpiConfigurationProtocolGuid;
 
#endif // __SPI_CONFIGURATION_PROTOCOL_H__